Energy per photon361 sextillionths J
43.1 octillionthsDaily food intakes
111 septillionthsOpen-hand slaps
164 octillionthsBig Macs
Green, 550 nm
Photo from Wikimedia Commons
Photon (Green Light)
A single quantum of visible light/Scientific Objects
A photon of green light has a wavelength of about 550 nanometers and carries roughly 3.6 x 10^-19 joules of energy. It has zero rest mass, always travels at the speed of light, and is its own antiparticle. Every time you see the color green, trillions of these are entering your eyes.
Measurements
Wavelength550 billionths m
1.1 billionthsMall of America lengths
138 billionthsHigh jump bar lengths
550 nm
Frequency545 trillion Hz
454 trillionResting heartbeats
237 trillionMetronome ticks
545 THz
Speed in vacuum300 million m/s
26,801Earth escape velocities
419,290Rifle bullets
300 millionShopping cart rolls